X=int(input())

ans=[0,0,8,7,6,5,4,3,2,1]

print(ans[int(X/200)])
 X=int(input()) X int(input()) int input() input ans=[0,0,8,7,6,5,4,3,2,1] ans [0,0,8,7,6,5,4,3,2,1] 0 0 8 7 6 5 4 3 2 1 print(ans[int(X/200)]) print ans[int(X/200)] ans int(X/200) int X/200 X 200 X=int(input()) int(input()) X ans=[0,0,8,7,6,5,4,3,2,1] [0,0,8,7,6,5,4,3,2,1] ans
X=int(input())

ans=[0,0,8,7,6,5,4,3,2,1]

print(ans[int(X/200)])

